Any function defined in a header file should be inline.  This helps us
avoid 'unused' compiler warnings when we include the files in more
places in subsequent patches.
Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com>
Patchwork: http://patchwork.linux-mips.org/patch/1636/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>